Access an asp:hiddenfield control in JavaScript

Question

What is the best way to access an ASP.NET HiddenField control that is embedded in an ASP.NET PlaceHolder control through JavaScript? The Visible attribute is set to false i

Answer 1

If the Visibility is set to false server-side, the placeholder won't be rendered and you won't be able to access anything inside it from JavaScript. Your code should work when the placeholder is visible="true"

Get rid of the placeholder, leave the hidden field empty at first, after the search populate it.